18 FinfictrLiNiD^, 



Scirpearia mirabilis, Templeton, Mag. N. H. ix. p. 470. 



Ly^s mirabilis, Herklots, Not. p. 14 ; Grai/, Ann. ^- Mag. Nat. Hist. 



V. p. 21 ; KoUiker, Ic. Hid. p. 100, f. 20. 

 Virgularia mirabilis (axis and s^\cn\B.),QueTcett, Led. Hist. p. 135,f. 70. 



Hob. North Sea : Norway ; Berwick Bay. 



16. Lygus Vanbenedenii. 



Virgularia Vanbenedenii, Herklots^ Not. p. 11, t. 7. f. 7 ; Gray, Ann. ^ 

 Mag. Nat. Hist. 1800, v. p. 20. 



ffab. America. 



17. Lygus Ellisii. B.M. 



Cylindrical, elongate. Base elongate, the lower part much dilated, 

 club-shaped. The lower pinntdes adpressed, far apart, nearly trans- 

 verse as regards the rachis ; the upper ones lunate, far apart, placed 

 alternately on each side of the axis, with distinct digitate united 

 tubular cells. 



Virgularia Ellisii, Grag, Ann. 8f Mag. Nat. Hist. 1860, v. p. 20. 



Hah. ? Broken at the tip. From the Old collection. 



18. Lygus brasiliensis. B.M. 



Coral cylindrical, very slender, dark brown (in spirits) ; polypes 

 in small radiating clusters ; axis cylindrical, very slender. 



Hah. Brazil, Cape Frio. Presented by the Lords of the Admiralty. 



This species is smaller, more slender, and the pinnules of the 

 polypes appear to be more horizontal. 



Var. Iiexangularis. The axis with six sharp longitudinal ridges, 

 making it hexangular ; from a fragment only. 



Hah. Brazil, Cape Frio. B.M. 



7. STTLATULA. 



Coral elongate, slender, nearly cylindrical, near the base naked, 

 bulbous at the end. Pinna; short, supported by numerous strong 

 radiating spines ; the polypes clustered on their inner surface. Axis 

 subcylindrical, extending through nearly the whole length. 

 Stylatula, Verrill, Btdl. Mm. Comp. Zool. 1800, p. 30. 

 Hah. California. 



19. Stylatula gracilis. 

 Coral very slender, nearly cylindrical above, base swollen ; pinn» 

 at first very narrow, leaving a linear naked space between the two 

 rows on both sides ; higher up they overlap and are much crowded, 

 thirty-two in an inch. 



Length 1 foot or more ; diameter 1 line. 



Stylatula gracilis, Verrill, Bull. Mus. Comp. Zool. p. 30. 

 Hah. California, Cape St. Lucas. 



